Home / 756,782.67-1,135,450.86-352,167.93

Finding the Fourth Proportional to 756,782.67, 1,135,450.86 and 352,167.93

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Solution

The fourth proportional to 756,782.67, 1,135,450.86 and 352,167.93 is: 528,380.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,782.67 : 1,135,450.86 = 352,167.93 : x
  2. Step 2: Convert to fraction form
    756,782.67/1,135,450.86 = 352,167.93/x
  3. Step 3: Cross multiply
    756,782.67x = 1,135,450.86 × 352,167.93
  4. Step 4: Simplify right side
    756,782.67x = 399,869,378,982.92
  5. Step 5: Solve for x
    x = 399,869,378,982.92/756,782.67
  6. Step 6: Final answer
    x = 528,380.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.